asp.net - SQL update attribute -

-

i have table of milestones in primary key id_milestone , table tasks foreign key id_milestone. each task attribute completion in percentage. milestone have attribute of completion in percentage. need update completion of milestone @ 100 percent until have completed all tasks set 100 percent. have dropdownlist interval 10 percent , users update progress. sorry english.

create table milestone       (        id_milestone integer  not null ,             nazev_milniku varchar2 (30) ,            )  ;     create table milestone_complete       (        id_milestone integer  not null ,        completed integer         )  ;  create table tasks       (        id_tasks integer  not null ,        id_milestone integer  not null ,        name_task varchar2 (30) ,        )  ;   create table tasks_complete       (        id_task integer  not null ,        completed integer               )  ;

this calculate percentage of milestones using percentages of tasks.

update [milestones] set [percentage] = (select avg(pecentage) [tasks] [tasks].[id_milestone] = [milestones].[id])

if want set e.g. status flag [completed] can this:

update [milestones] set [completed] = (case when (select avg(pecentage) [tasks] [tasks].[id_milestone] = [milestones].[id]) = 100 1 else 0 end)

this guess want didn't comppletely show tables, structure, etc. hope helps.

edit

your table milestone need column percentage or want write result in other table milestone_complete? don't understand why have additional tables. guess have column percentage in milestone table. in case sql this:

update [milestone] set [percentage] = (select avg(pecentage)                      [tasks]                      [tasks].[id_milestone] = [milestone].[id_milestone])

if want write result in completed' column in themilestone_complete` table, this:

update [milestone_complete] set [percentage] = (select avg(pecentage)                      [tasks]                      [tasks].[id_milestone] = [milestone].[id_milestone]) [milestone_complete] join [milestone] on [milestone].[id_milestone] = [milestone_complete].[id_milestone]

or want insert result milestone_complete if tasks of milestone 100%? not know if have record in compelted table or need add on in case. assume have 1 , want set completed e.g. 1 (0 = not completed).

update [milestone_complete] set [completed] = 1 [milestone_complete] join [milestone] on [milestone].[id_milestone] = [milestone_complete].[id_milestone] (select avg(percentage)         [tasks]         [tasks].[id_milestone] = [milestone].[id_milestone])=100

i didn't test of it, not sure if works, not 100% approach need modify own needs. hope helps. next time ask question concentrate on clear, complete , understandable question, make easier.


Comments

Post a Comment

Popular posts from this blog

c++ - Function signature as a function template parameter -

-
i'd use function signature template argument. works great classes, when try same trick function templates, msvc throws error: error c2768: 'func' : illegal use of explicit template arguments here's code: template <typename signature> void func(); template <typename r, typename a1> void func<r(a1)>(); what should make work? you cannot partially specialize function template, not supported language. can create partially specialized class template static member function, , possibly trampoline function instantiate class template , invoke static function. something this: namespace detail { template<typename signature> struct helper; template<typename r, typename a1> struct helper<r(a1)> { static void call() { // stuff r , a1... } }; } template<typename signature> void func() { detail::helper<signature>::call(); }
Read more

algorithm - What are some ways to combine a number of (potentially incompatible) sorted sub-sets of a total set into a (partial) ordering of the total set? -

-
i have sorting problem i'm pretty sure doesn't have canonical "answer" - has number of different approaches, each pros/cons. i'm interested in hearing different approaches. suppose bunch of people {p_i | i=1,...,m} ranking favorite ice cream flavors. in total there n different flavors, single person p_i ranks n_i << n flavors or familiar with. i'm interested in combining these sub-rankings plausible overall ranking of n flavors. for concrete situation: m , n both 1000 (by coincidence), , each n_i 20 . can assume there's enough overlap in flavors people rank such no flavor "isolated". again, i'm interested in hearing different ways approach this, if there isn't single clear answer. thanks! one way approach problem construct directed cyclic graph representing of constraints on ordering of elements. nodes in graph represent different elements compared , have edge first node second node if had ranked first e...
Read more

How to call a javascript function after the page loads with a chrome extension? -

-
there's function on page want call after loads. not own page, can't insert html it. can please provide specific examples how chrome extension or greasemonkey? (function submitaction() ). both chrome extensions , greasemonkey offer ways specify when script inject if executed. in chrome extension, you set in manifest : "content_scripts": [ { "run_at" : "document_idle", in greasemonkey compatible userscripts, set in metadata // @run-at document-end in both cases, have add script if want ensure resources loaded when function executed : document.addeventlistener('load', submitaction);
Read more